Question about 2004 Dodge Ram 1500
P0508 Idle Air Control Circuit Low.
This means that the Idle Air Control Circuit input is below acceptable limits.
You need to test the Idle Air Control (IAC) valve, the wiring between the IAC and the PCM and made sure the IAC passages in the throttle body are clean.
Your PCM unit may actually be faulty and letting moisture in
Posted on Sep 08, 2009
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Posted on Jan 02, 2017
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